Home / 3,399,805-4,691,638.02-1,871,920.36

Finding the Fourth Proportional to 3,399,805, 4,691,638.02 and 1,871,920.36

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Solution

The fourth proportional to 3,399,805, 4,691,638.02 and 1,871,920.36 is: 2,583,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399,805 : 4,691,638.02 = 1,871,920.36 : x
  2. Step 2: Convert to fraction form
    3,399,805/4,691,638.02 = 1,871,920.36/x
  3. Step 3: Cross multiply
    3,399,805x = 4,691,638.02 × 1,871,920.36
  4. Step 4: Simplify right side
    3,399,805x = 8,782,372,731,388.09
  5. Step 5: Solve for x
    x = 8,782,372,731,388.09/3,399,805
  6. Step 6: Final answer
    x = 2,583,198.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.